MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites hosted on compromised CMS platforms and disposable domains, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the link farm structure is a common tactic for initial access.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://efnnma.org/files/file/togijivurolivekifotovade.pdf In PDF document text
- http://air-ned.com/uploads/files/22134082435.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ecd9c988726---37436220061.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/b81838c0f65a39eb7b2e0925966d1d50/vivepo.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/wavajarazet.pdfIn PDF document text
- https://noblacklist.pro/web/img/podborky/files/tekokaxu.pdfIn PDF document text
- http://www.urbanwaterways.info/files/70384674648.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/40353094937.pdfIn PDF document text
- http://katour.ru/admin/ckfinder/userfiles/files/14616699049.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/640131953.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608b18d1d960d---36677068840.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a25484d895b---xozomejifosomupawik.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df453e262c---21262398788.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3eae0143ea21602f64f92b658107e1b/92418592612.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609835516b654---37764270071.pdfIn PDF document text
- http://nickelsgrafikdesign.de/ckfinder/userfiles/files/rukuf.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/cuc6p17j65l7l6bvg0633ajhrh/vawuwitafokuloxokeda.pdfIn PDF document text
- https://shellserva.nl/docs/Image/file/89063043242.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/nexokof.pdfIn PDF document text
- http://gramercygrand.ru/files/file/digewetumopixi.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a17367189---zegiv.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/292bfc8a7049778903b7bf8dcc4bece4/63354509886.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fonoxatifizemububip.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/savavazobewulebujeket.pdfIn PDF document text
- http://ck-tct.ru/userfiles/file/pivik.pdfIn PDF document text
- https://norservis.com/files/files/71729583075.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210625060944.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=unique+words+that+start+with+aPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c3c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDA | 16228 bytes |
SHA-256: e2cabef24dfbce11eb708bbf394c7e7db265349767f0765314c3de62b8a3e0d5 |
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font_02_sfnt_off00010508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10508 | 10640 bytes |
SHA-256: 3e49537c9a86e8097afe2cef67446450bf0da65a5cd4a6fe51873f8d7e615284 |
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